Although I haven't used Windows built-in Windows Defender as my main antivirus for a long time,right after installing Windows,it always checks the version of this tool during Windows Update。not sure when it started,when performing Windows Update,Windows Defender always pops up error 8050800C,if I directly open Windows Defender,and check for updates within the software,則是會跳出 0x80070643 的錯誤。


不知道從什麼時候開始,公司的 Joomla 就不會跳出新版通知的訊息,如果去「元件」-「Joomla! 更新」按”檢查更新”,就會顯示下面的錯誤訊息:







